Electronic device shell



FIG. 1 is a front perspective view of an electronic device shell;

FIG. 2 is a back perspective view of the electronic device shell;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Broken lines shown in the drawings illustrate environment and form no part of the claimed design. 

CLAIM We claim the ornamental design for an electronic device shell, as shown and described. 